From Sahih Muslim (Hadith 683):
Umm Salama reported:While I was lying with the Messenger of Allah (ﷺ) in a bed cover I menstruated, so I slipped away and I took up the clothes (which I wore) in menses. Upon this the Messenger of Allah (ﷺ) said: Have you menstruated? I said: Yes. He called me and I lay down
Reference: Muslim 683